Rain repellents
Comma ProVision Rain Clear Gel (Issue 1,035), Price: £6.49, Contact: 01474 564311, www.commaoil.com
As well as keeping screens clear of water, these liquids can minimise the build-up of grime. Our choice is Comma’s ProVision Rain Clear Gel which worked brilliantly and lasted for months. A little went a long way, too.
